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Donenfeld'" CC: "viro@zeniv.linux.org.uk" , "linux-kernel@vger.kernel.org" , Jens Axboe Subject: RE: [PATCH] fs: prefer read_iter over read and write_iter over write Thread-Topic: [PATCH] fs: prefer read_iter over read and write_iter over write Thread-Index: AQHYbFCwvu9LSlrdFk+NviNR2+4IRK0nyjDggABuI4CAABnZcA== Date: Fri, 20 May 2022 22:08:00 +0000 Message-ID: <0da16e16caed4282ae97a86f1ba6f6db@AcuMS.aculab.com> References: <20220520135103.166972-1-Jason@zx2c4.com> <39ed6917f2e64a07bad8dad63f8dceb4@AcuMS.aculab.com> In-Reply-To: Accept-Language: en-GB, en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-ms-exchange-transport-fromentityheader: Hosted x-originating-ip: [10.202.205.107] MIME-Version: 1.0 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=C51A453 smtp.mailfrom=david.laight@aculab.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: aculab.com Content-Language: en-US Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: base64 X-Spam-Status: No, score=-2.6 required=5.0 tests=BAYES_00,RCVD_IN_DNSWL_LOW, SPF_HELO_NONE,SPF_PASS,T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org RnJvbTogSmFzb24gQS4gRG9uZW5mZWxkDQo+IFNlbnQ6IDIwIE1heSAyMDIyIDIyOjMxDQo+IA0K PiBIaSBEYXZpZCwNCj4gDQo+IE9uIEZyaSwgTWF5IDIwLCAyMDIyIGF0IDA5OjI0OjUwUE0gKzAw MDAsIERhdmlkIExhaWdodCB3cm90ZToNCj4gPiBGcm9tOiBKYXNvbiBBLiBEb25lbmZlbGQNCj4g PiA+IFNlbnQ6IDIwIE1heSAyMDIyIDE0OjUxDQo+ID4gPg0KPiA+ID4gTW9zdCBrZXJuZWwgY29k ZSBwcmVmZXJzIHJlYWRfaXRlciBvdmVyIHJlYWQgYW5kIHdyaXRlX2l0ZXIgb3ZlciB3cml0ZSwN Cj4gPiA+IHlldCB0aGUgcmVhZCBmdW5jdGlvbiBwb2ludGVyIGlzIHRlc3RlZCBmaXJzdC4gUmV2 ZXJzZSB0aGVzZSBzbyB0aGF0IHRoZQ0KPiA+ID4gaXRlciBmdW5jdGlvbiBpcyBhbHdheXMgdXNl ZCBmaXJzdC4NCj4gPg0KPiA+IFRoZXJlIHdpbGwgYmUgYSBtZWFzdXJhYmxlIHBlcmZvcm1hbmNl IGhpdCBmb3IgdGhlIHh4eF9pdGVyIHZlcnNpb25zLg0KPiANCj4gSW5kZWVkLiBXZSBub3cgaGF2 ZSB0aGUgbWlzZm9ydHVuZSBvZiBhIDMlIGhpdCBvbiByYW5kb20uYywgcGVyIHRoaXMNCj4gc3Vi LXRocmVhZDoNCg0KSSB3cm90ZSB0aGF0IGEgZmV3IGhvdXJzIGFnbyBhbmQgZm9yZ290IHRvIHNl bmQgaXQgOi0oDQoNCj4gICAgaHR0cHM6Ly9sb3JlLmtlcm5lbC5vcmcvbGttbC9Zb2V5K0ZPWU82 OWxTNXFQQHp4MmM0LmNvbS8NCj4gDQo+IFRoZSBob3BlIGlzIHRoYXQgaXQgZXZlbnR1YWxseSBi ZWNvbWVzIGZhc3Rlci4uLiA6LVwNCg0KSSBzdXNwZWN0IGFsbCB0aGUgeHh4X2l0ZXIgZnVuY3Rp b25zIG5lZWQgb3B0aW1pc2luZyBmb3INCnRoZSBjb21tb24gY2FzZSBvZiBhIHNpbmdsZSBidWZm ZXIgaW4gdXNlcnNwYWNlLg0KDQpUaGF0IGFsc28gaW5jbHVkZXMgdGhlIGNvZGUgdG8gcmVhZCB0 aGUgaW92W10gZnJvbSB1c2VzcGFjZS4NCkF0IHRoZSBtb21lbnQgSSB0aGluayB0aGUgMzJiaXQg Y29tcGF0IGNvZGUgaXMgYWN0dWFsbHkNCmZhc3RlciB0aGFuIHRoZSBuYXRpdmUgYW1kNjQgdmVy c2lvbiENCkkndmUgd3JpdHRlbiBzb21lIHBhdGNoZXMgdG8gc3BlZWQgdGhhdCB1cC4NCkJ1dCB0 aGUgYmlnZ2VyIGltcHJvdmVtZW50cyBhbGwgaGl0IG1hc3NpdmUgY2hhbmdlcw0KdG8gdGhlIGlv cmluZyBjb2RlLg0KDQoJRGF2aWQNCg0KLQ0KUmVnaXN0ZXJlZCBBZGRyZXNzIExha2VzaWRlLCBC cmFtbGV5IFJvYWQsIE1vdW50IEZhcm0sIE1pbHRvbiBLZXluZXMsIE1LMSAxUFQsIFVLDQpSZWdp c3RyYXRpb24gTm86IDEzOTczODYgKFdhbGVzKQ0K